Compare 1549 vs 1669
| Property | 1549 | 1669 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15491 | 16691 |
| Prime factorization | 1549 | 1669 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1549 | 1, 1669 |
| Number of properties | 7 | 9 |
| Additive primes | 133rd | |
| Chen primes | 166th | |
| Cousin primes (1st member) | 54th | |
| Emirps | 81st | |
| Isolated primes | 145th | |
| Long primes | 93rd | |
| Primes | 244th | 263rd |
| Prime triplets (3rd member) | 43rd | |
| Pythagorean primes | 117th | 126th |
| Sexy primes (2nd member) | 106th | 113th |
| Sexy prime triplets (3rd member) | 43rd | |
| Super primes | 56th | |
| Twin primes (2nd member) | 53rd | |
| Roman numberals | MDXLIX | MDCLXIX |
| Base 2 | 110000011012 | 110100001012 |
| Base 3 | 20101013 | 20212113 |
| Base 4 | 1200314 | 1220114 |
| Base 5 | 221445 | 231345 |
| Base 6 | 111016 | 114216 |
| Base 7 | 43427 | 46037 |
| Base 8 | 30158 | 32058 |
| Base 9 | 21119 | 22549 |
| Base 10 | 154910 | 166910 |
| Base 11 | 118911 | 128811 |
| Base 12 | a9112 | b7112 |
| Base 13 | 92213 | 9b513 |
| Base 14 | 7c914 | 87314 |
| Base 15 | 6d415 | 76415 |
| Base 16 | 60d16 | 68516 |